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Comparing gvpe/src/callback.h (file contents):
Revision 1.8 by pcg, Tue Dec 27 16:36:16 2005 UTC vs.
Revision 1.11 by pcg, Sun Dec 2 00:54:52 2007 UTC

… …
2// THIS IS A GENERATED FILE: callback.pl is part of the GVPE 2// THIS IS A GENERATED FILE: callback.pl is part of the GVPE
3// THIS IS A GENERATED FILE: distribution. 3// THIS IS A GENERATED FILE: distribution.
4 4
5/* 5/*
6 callback.h -- C++ callback mechanism 6 callback.h -- C++ callback mechanism
7 Copyright (C) 2003-2005 Marc Lehmann <pcg@goof.com> 7 Copyright (C) 2003-2007 Marc Lehmann <pcg@goof.com>
8 8
9 This file is part of GVPE. 9 This file is part of GVPE.
10 10
11 GVPE is free software; you can redistribute it and/or modify 11 GVPE is free software; you can redistribute it and/or modify
12 it under the terms of the GNU General Public License as published by 12 it under the terms of the GNU General Public License as published by
… …
24*/ 24*/
25 25
26#ifndef CALLBACK_H__ 26#ifndef CALLBACK_H__
27#define CALLBACK_H__ 27#define CALLBACK_H__
28 28
29#define CALLBACK_H_VERSION 3
30
31template<class signature>
32struct callback_funtype_trait;
33
34template<int arity, class signature>
35struct callback_get_impl;
36
29template<class R> 37template<class R>
30class callback0 { 38class callback0
31 struct object { }; 39{
40 struct klass; // it is vital that this is never defined
32 41
33 void *obj; 42 typedef R (klass::*ptr_type)();
34 R (object::*meth)();
35 43
36 /* a proxy is a kind of recipe on how to call a specific class method */ 44 klass *o;
37 struct proxy_base { 45 R (klass::*m)();
38 virtual R call (void *obj, R (object::*meth)()) = 0;
39 };
40 template<class O1, class O2>
41 struct proxy : proxy_base {
42 virtual R call (void *obj, R (object::*meth)())
43 {
44 return (R)((reinterpret_cast<O1 *>(obj)) ->* (reinterpret_cast<R (O2::*)()>(meth)))
45 ();
46 }
47 };
48 46
49 proxy_base *prxy;
50
51public: 47public:
52 template<class O1, class O2> 48 template<class O1, class O2>
53 callback0 (O1 *object, R (O2::*method)()) 49 explicit callback0 (O1 *object, R (O2::*method)())
54 { 50 {
55 static proxy<O1,O2> p;
56 obj = reinterpret_cast<void *>(object); 51 o = reinterpret_cast<klass *>(object);
57 meth = reinterpret_cast<R (object::*)()>(method); 52 m = reinterpret_cast<R (klass::*)()>(method);
58 prxy = &p;
59 } 53 }
60 54
55 // this works because a standards-compliant C++ compiler
56 // basically can't help it: it doesn't have the knowledge
57 // required to miscompile (klass is not defined anywhere
58 // and nothing is known about the constructor arguments) :)
61 R call() const 59 R call() const
62 { 60 {
63 return prxy->call (obj, meth); 61 return (o->*m) ();
64 } 62 }
65 63
66 R operator ()() const 64 R operator ()() const
67 { 65 {
68 return call (); 66 return call ();
69 } 67 }
70}; 68};
71 69
70template<class R>
71struct callback_funtype_trait0
72{
73 static const int arity = 0;
74 typedef R type (void);
75 typedef R result_type;
76
77};
78
79template<class R>
80struct callback_funtype_trait<R ()> : callback_funtype_trait0<R>
81{
82};
83
84template<class signature>
85struct callback_get_impl<0, signature>
86{
87 typedef callback_funtype_trait<signature> T;
88 typedef callback0<typename T::result_type> type;
89};
90
72template<class R, class A1> 91template<class R, class A1>
73class callback1 { 92class callback1
74 struct object { }; 93{
94 struct klass; // it is vital that this is never defined
75 95
76 void *obj; 96 typedef R (klass::*ptr_type)(A1);
77 R (object::*meth)(A1);
78 97
79 /* a proxy is a kind of recipe on how to call a specific class method */ 98 klass *o;
80 struct proxy_base { 99 R (klass::*m)(A1);
81 virtual R call (void *obj, R (object::*meth)(A1), A1 a1) = 0;
82 };
83 template<class O1, class O2>
84 struct proxy : proxy_base {
85 virtual R call (void *obj, R (object::*meth)(A1), A1 a1)
86 {
87 return (R)((reinterpret_cast<O1 *>(obj)) ->* (reinterpret_cast<R (O2::*)(A1)>(meth)))
88 (a1);
89 }
90 };
91 100
92 proxy_base *prxy;
93
94public: 101public:
95 template<class O1, class O2> 102 template<class O1, class O2>
96 callback1 (O1 *object, R (O2::*method)(A1)) 103 explicit callback1 (O1 *object, R (O2::*method)(A1))
97 { 104 {
98 static proxy<O1,O2> p;
99 obj = reinterpret_cast<void *>(object); 105 o = reinterpret_cast<klass *>(object);
100 meth = reinterpret_cast<R (object::*)(A1)>(method); 106 m = reinterpret_cast<R (klass::*)(A1)>(method);
101 prxy = &p;
102 } 107 }
103 108
109 // this works because a standards-compliant C++ compiler
110 // basically can't help it: it doesn't have the knowledge
111 // required to miscompile (klass is not defined anywhere
112 // and nothing is known about the constructor arguments) :)
104 R call(A1 a1) const 113 R call(A1 a1) const
105 { 114 {
106 return prxy->call (obj, meth, a1); 115 return (o->*m) (a1);
107 } 116 }
108 117
109 R operator ()(A1 a1) const 118 R operator ()(A1 a1) const
110 { 119 {
111 return call (a1); 120 return call (a1);
112 } 121 }
113}; 122};
114 123
124template<class R, class A1>
125struct callback_funtype_trait1
126{
127 static const int arity = 1;
128 typedef R type (A1);
129 typedef R result_type;
130 typedef A1 arg1_type;
131};
132
133template<class R, class A1>
134struct callback_funtype_trait<R (A1)> : callback_funtype_trait1<R, A1>
135{
136};
137
138template<class signature>
139struct callback_get_impl<1, signature>
140{
141 typedef callback_funtype_trait<signature> T;
142 typedef callback1<typename T::result_type, typename T::arg1_type> type;
143};
144
115template<class R, class A1, class A2> 145template<class R, class A1, class A2>
116class callback2 { 146class callback2
117 struct object { }; 147{
148 struct klass; // it is vital that this is never defined
118 149
119 void *obj; 150 typedef R (klass::*ptr_type)(A1, A2);
120 R (object::*meth)(A1, A2);
121 151
122 /* a proxy is a kind of recipe on how to call a specific class method */ 152 klass *o;
123 struct proxy_base { 153 R (klass::*m)(A1, A2);
124 virtual R call (void *obj, R (object::*meth)(A1, A2), A1 a1, A2 a2) = 0;
125 };
126 template<class O1, class O2>
127 struct proxy : proxy_base {
128 virtual R call (void *obj, R (object::*meth)(A1, A2), A1 a1, A2 a2)
129 {
130 return (R)((reinterpret_cast<O1 *>(obj)) ->* (reinterpret_cast<R (O2::*)(A1, A2)>(meth)))
131 (a1, a2);
132 }
133 };
134 154
135 proxy_base *prxy;
136
137public: 155public:
138 template<class O1, class O2> 156 template<class O1, class O2>
139 callback2 (O1 *object, R (O2::*method)(A1, A2)) 157 explicit callback2 (O1 *object, R (O2::*method)(A1, A2))
140 { 158 {
141 static proxy<O1,O2> p;
142 obj = reinterpret_cast<void *>(object); 159 o = reinterpret_cast<klass *>(object);
143 meth = reinterpret_cast<R (object::*)(A1, A2)>(method); 160 m = reinterpret_cast<R (klass::*)(A1, A2)>(method);
144 prxy = &p;
145 } 161 }
146 162
163 // this works because a standards-compliant C++ compiler
164 // basically can't help it: it doesn't have the knowledge
165 // required to miscompile (klass is not defined anywhere
166 // and nothing is known about the constructor arguments) :)
147 R call(A1 a1, A2 a2) const 167 R call(A1 a1, A2 a2) const
148 { 168 {
149 return prxy->call (obj, meth, a1, a2); 169 return (o->*m) (a1, a2);
150 } 170 }
151 171
152 R operator ()(A1 a1, A2 a2) const 172 R operator ()(A1 a1, A2 a2) const
153 { 173 {
154 return call (a1, a2); 174 return call (a1, a2);
155 } 175 }
156}; 176};
157 177
178template<class R, class A1, class A2>
179struct callback_funtype_trait2
180{
181 static const int arity = 2;
182 typedef R type (A1, A2);
183 typedef R result_type;
184 typedef A1 arg1_type; typedef A2 arg2_type;
185};
186
187template<class R, class A1, class A2>
188struct callback_funtype_trait<R (A1, A2)> : callback_funtype_trait2<R, A1, A2>
189{
190};
191
192template<class signature>
193struct callback_get_impl<2, signature>
194{
195 typedef callback_funtype_trait<signature> T;
196 typedef callback2<typename T::result_type, typename T::arg1_type, typename T::arg2_type> type;
197};
198
158template<class R, class A1, class A2, class A3> 199template<class R, class A1, class A2, class A3>
159class callback3 { 200class callback3
160 struct object { }; 201{
202 struct klass; // it is vital that this is never defined
161 203
162 void *obj; 204 typedef R (klass::*ptr_type)(A1, A2, A3);
205
206 klass *o;
163 R (object::*meth)(A1, A2, A3); 207 R (klass::*m)(A1, A2, A3);
164 208
165 /* a proxy is a kind of recipe on how to call a specific class method */
166 struct proxy_base {
167 virtual R call (void *obj, R (object::*meth)(A1, A2, A3), A1 a1, A2 a2, A3 a3) = 0;
168 };
169 template<class O1, class O2>
170 struct proxy : proxy_base {
171 virtual R call (void *obj, R (object::*meth)(A1, A2, A3), A1 a1, A2 a2, A3 a3)
172 {
173 return (R)((reinterpret_cast<O1 *>(obj)) ->* (reinterpret_cast<R (O2::*)(A1, A2, A3)>(meth)))
174 (a1, a2, a3);
175 }
176 };
177
178 proxy_base *prxy;
179
180public: 209public:
181 template<class O1, class O2> 210 template<class O1, class O2>
182 callback3 (O1 *object, R (O2::*method)(A1, A2, A3)) 211 explicit callback3 (O1 *object, R (O2::*method)(A1, A2, A3))
183 { 212 {
184 static proxy<O1,O2> p;
185 obj = reinterpret_cast<void *>(object); 213 o = reinterpret_cast<klass *>(object);
186 meth = reinterpret_cast<R (object::*)(A1, A2, A3)>(method); 214 m = reinterpret_cast<R (klass::*)(A1, A2, A3)>(method);
187 prxy = &p;
188 } 215 }
189 216
217 // this works because a standards-compliant C++ compiler
218 // basically can't help it: it doesn't have the knowledge
219 // required to miscompile (klass is not defined anywhere
220 // and nothing is known about the constructor arguments) :)
190 R call(A1 a1, A2 a2, A3 a3) const 221 R call(A1 a1, A2 a2, A3 a3) const
191 { 222 {
192 return prxy->call (obj, meth, a1, a2, a3); 223 return (o->*m) (a1, a2, a3);
193 } 224 }
194 225
195 R operator ()(A1 a1, A2 a2, A3 a3) const 226 R operator ()(A1 a1, A2 a2, A3 a3) const
196 { 227 {
197 return call (a1, a2, a3); 228 return call (a1, a2, a3);
198 } 229 }
199}; 230};
200 231
232template<class R, class A1, class A2, class A3>
233struct callback_funtype_trait3
234{
235 static const int arity = 3;
236 typedef R type (A1, A2, A3);
237 typedef R result_type;
238 typedef A1 arg1_type; typedef A2 arg2_type; typedef A3 arg3_type;
239};
240
241template<class R, class A1, class A2, class A3>
242struct callback_funtype_trait<R (A1, A2, A3)> : callback_funtype_trait3<R, A1, A2, A3>
243{
244};
245
246template<class signature>
247struct callback_get_impl<3, signature>
248{
249 typedef callback_funtype_trait<signature> T;
250 typedef callback3<typename T::result_type, typename T::arg1_type, typename T::arg2_type, typename T::arg3_type> type;
251};
252
201template<class R, class A1, class A2, class A3, class A4> 253template<class R, class A1, class A2, class A3, class A4>
202class callback4 { 254class callback4
203 struct object { }; 255{
256 struct klass; // it is vital that this is never defined
204 257
205 void *obj; 258 typedef R (klass::*ptr_type)(A1, A2, A3, A4);
259
260 klass *o;
206 R (object::*meth)(A1, A2, A3, A4); 261 R (klass::*m)(A1, A2, A3, A4);
207 262
208 /* a proxy is a kind of recipe on how to call a specific class method */
209 struct proxy_base {
210 virtual R call (void *obj, R (object::*meth)(A1, A2, A3, A4), A1 a1, A2 a2, A3 a3, A4 a4) = 0;
211 };
212 template<class O1, class O2>
213 struct proxy : proxy_base {
214 virtual R call (void *obj, R (object::*meth)(A1, A2, A3, A4), A1 a1, A2 a2, A3 a3, A4 a4)
215 {
216 return (R)((reinterpret_cast<O1 *>(obj)) ->* (reinterpret_cast<R (O2::*)(A1, A2, A3, A4)>(meth)))
217 (a1, a2, a3, a4);
218 }
219 };
220
221 proxy_base *prxy;
222
223public: 263public:
224 template<class O1, class O2> 264 template<class O1, class O2>
225 callback4 (O1 *object, R (O2::*method)(A1, A2, A3, A4)) 265 explicit callback4 (O1 *object, R (O2::*method)(A1, A2, A3, A4))
226 { 266 {
227 static proxy<O1,O2> p;
228 obj = reinterpret_cast<void *>(object); 267 o = reinterpret_cast<klass *>(object);
229 meth = reinterpret_cast<R (object::*)(A1, A2, A3, A4)>(method); 268 m = reinterpret_cast<R (klass::*)(A1, A2, A3, A4)>(method);
230 prxy = &p;
231 } 269 }
232 270
271 // this works because a standards-compliant C++ compiler
272 // basically can't help it: it doesn't have the knowledge
273 // required to miscompile (klass is not defined anywhere
274 // and nothing is known about the constructor arguments) :)
233 R call(A1 a1, A2 a2, A3 a3, A4 a4) const 275 R call(A1 a1, A2 a2, A3 a3, A4 a4) const
234 { 276 {
235 return prxy->call (obj, meth, a1, a2, a3, a4); 277 return (o->*m) (a1, a2, a3, a4);
236 } 278 }
237 279
238 R operator ()(A1 a1, A2 a2, A3 a3, A4 a4) const 280 R operator ()(A1 a1, A2 a2, A3 a3, A4 a4) const
239 { 281 {
240 return call (a1, a2, a3, a4); 282 return call (a1, a2, a3, a4);
241 } 283 }
242}; 284};
243 285
286template<class R, class A1, class A2, class A3, class A4>
287struct callback_funtype_trait4
288{
289 static const int arity = 4;
290 typedef R type (A1, A2, A3, A4);
291 typedef R result_type;
292 typedef A1 arg1_type; typedef A2 arg2_type; typedef A3 arg3_type; typedef A4 arg4_type;
293};
294
295template<class R, class A1, class A2, class A3, class A4>
296struct callback_funtype_trait<R (A1, A2, A3, A4)> : callback_funtype_trait4<R, A1, A2, A3, A4>
297{
298};
299
300template<class signature>
301struct callback_get_impl<4, signature>
302{
303 typedef callback_funtype_trait<signature> T;
304 typedef callback4<typename T::result_type, typename T::arg1_type, typename T::arg2_type, typename T::arg3_type, typename T::arg4_type> type;
305};
306
244template<class R, class A1, class A2, class A3, class A4, class A5> 307template<class R, class A1, class A2, class A3, class A4, class A5>
245class callback5 { 308class callback5
246 struct object { }; 309{
310 struct klass; // it is vital that this is never defined
247 311
248 void *obj; 312 typedef R (klass::*ptr_type)(A1, A2, A3, A4, A5);
313
314 klass *o;
249 R (object::*meth)(A1, A2, A3, A4, A5); 315 R (klass::*m)(A1, A2, A3, A4, A5);
250 316
251 /* a proxy is a kind of recipe on how to call a specific class method */
252 struct proxy_base {
253 virtual R call (void *obj, R (object::*meth)(A1, A2, A3, A4, A5), A1 a1, A2 a2, A3 a3, A4 a4, A5 a5) = 0;
254 };
255 template<class O1, class O2>
256 struct proxy : proxy_base {
257 virtual R call (void *obj, R (object::*meth)(A1, A2, A3, A4, A5), A1 a1, A2 a2, A3 a3, A4 a4, A5 a5)
258 {
259 return (R)((reinterpret_cast<O1 *>(obj)) ->* (reinterpret_cast<R (O2::*)(A1, A2, A3, A4, A5)>(meth)))
260 (a1, a2, a3, a4, a5);
261 }
262 };
263
264 proxy_base *prxy;
265
266public: 317public:
267 template<class O1, class O2> 318 template<class O1, class O2>
268 callback5 (O1 *object, R (O2::*method)(A1, A2, A3, A4, A5)) 319 explicit callback5 (O1 *object, R (O2::*method)(A1, A2, A3, A4, A5))
269 { 320 {
270 static proxy<O1,O2> p;
271 obj = reinterpret_cast<void *>(object); 321 o = reinterpret_cast<klass *>(object);
272 meth = reinterpret_cast<R (object::*)(A1, A2, A3, A4, A5)>(method); 322 m = reinterpret_cast<R (klass::*)(A1, A2, A3, A4, A5)>(method);
273 prxy = &p;
274 } 323 }
275 324
325 // this works because a standards-compliant C++ compiler
326 // basically can't help it: it doesn't have the knowledge
327 // required to miscompile (klass is not defined anywhere
328 // and nothing is known about the constructor arguments) :)
276 R call(A1 a1, A2 a2, A3 a3, A4 a4, A5 a5) const 329 R call(A1 a1, A2 a2, A3 a3, A4 a4, A5 a5) const
277 { 330 {
278 return prxy->call (obj, meth, a1, a2, a3, a4, a5); 331 return (o->*m) (a1, a2, a3, a4, a5);
279 } 332 }
280 333
281 R operator ()(A1 a1, A2 a2, A3 a3, A4 a4, A5 a5) const 334 R operator ()(A1 a1, A2 a2, A3 a3, A4 a4, A5 a5) const
282 { 335 {
283 return call (a1, a2, a3, a4, a5); 336 return call (a1, a2, a3, a4, a5);
284 } 337 }
285}; 338};
286 339
340template<class R, class A1, class A2, class A3, class A4, class A5>
341struct callback_funtype_trait5
342{
343 static const int arity = 5;
344 typedef R type (A1, A2, A3, A4, A5);
345 typedef R result_type;
346 typedef A1 arg1_type; typedef A2 arg2_type; typedef A3 arg3_type; typedef A4 arg4_type; typedef A5 arg5_type;
347};
348
349template<class R, class A1, class A2, class A3, class A4, class A5>
350struct callback_funtype_trait<R (A1, A2, A3, A4, A5)> : callback_funtype_trait5<R, A1, A2, A3, A4, A5>
351{
352};
353
354template<class signature>
355struct callback_get_impl<5, signature>
356{
357 typedef callback_funtype_trait<signature> T;
358 typedef callback5<typename T::result_type, typename T::arg1_type, typename T::arg2_type, typename T::arg3_type, typename T::arg4_type, typename T::arg5_type> type;
359};
360
287template<class R, class A1, class A2, class A3, class A4, class A5, class A6> 361template<class R, class A1, class A2, class A3, class A4, class A5, class A6>
288class callback6 { 362class callback6
289 struct object { }; 363{
364 struct klass; // it is vital that this is never defined
290 365
291 void *obj; 366 typedef R (klass::*ptr_type)(A1, A2, A3, A4, A5, A6);
367
368 klass *o;
292 R (object::*meth)(A1, A2, A3, A4, A5, A6); 369 R (klass::*m)(A1, A2, A3, A4, A5, A6);
293 370
294 /* a proxy is a kind of recipe on how to call a specific class method */
295 struct proxy_base {
296 virtual R call (void *obj, R (object::*meth)(A1, A2, A3, A4, A5, A6), A1 a1, A2 a2, A3 a3, A4 a4, A5 a5, A6 a6) = 0;
297 };
298 template<class O1, class O2>
299 struct proxy : proxy_base {
300 virtual R call (void *obj, R (object::*meth)(A1, A2, A3, A4, A5, A6), A1 a1, A2 a2, A3 a3, A4 a4, A5 a5, A6 a6)
301 {
302 return (R)((reinterpret_cast<O1 *>(obj)) ->* (reinterpret_cast<R (O2::*)(A1, A2, A3, A4, A5, A6)>(meth)))
303 (a1, a2, a3, a4, a5, a6);
304 }
305 };
306
307 proxy_base *prxy;
308
309public: 371public:
310 template<class O1, class O2> 372 template<class O1, class O2>
311 callback6 (O1 *object, R (O2::*method)(A1, A2, A3, A4, A5, A6)) 373 explicit callback6 (O1 *object, R (O2::*method)(A1, A2, A3, A4, A5, A6))
312 { 374 {
313 static proxy<O1,O2> p;
314 obj = reinterpret_cast<void *>(object); 375 o = reinterpret_cast<klass *>(object);
315 meth = reinterpret_cast<R (object::*)(A1, A2, A3, A4, A5, A6)>(method); 376 m = reinterpret_cast<R (klass::*)(A1, A2, A3, A4, A5, A6)>(method);
316 prxy = &p;
317 } 377 }
318 378
379 // this works because a standards-compliant C++ compiler
380 // basically can't help it: it doesn't have the knowledge
381 // required to miscompile (klass is not defined anywhere
382 // and nothing is known about the constructor arguments) :)
319 R call(A1 a1, A2 a2, A3 a3, A4 a4, A5 a5, A6 a6) const 383 R call(A1 a1, A2 a2, A3 a3, A4 a4, A5 a5, A6 a6) const
320 { 384 {
321 return prxy->call (obj, meth, a1, a2, a3, a4, a5, a6); 385 return (o->*m) (a1, a2, a3, a4, a5, a6);
322 } 386 }
323 387
324 R operator ()(A1 a1, A2 a2, A3 a3, A4 a4, A5 a5, A6 a6) const 388 R operator ()(A1 a1, A2 a2, A3 a3, A4 a4, A5 a5, A6 a6) const
325 { 389 {
326 return call (a1, a2, a3, a4, a5, a6); 390 return call (a1, a2, a3, a4, a5, a6);
327 } 391 }
328}; 392};
329 393
394template<class R, class A1, class A2, class A3, class A4, class A5, class A6>
395struct callback_funtype_trait6
396{
397 static const int arity = 6;
398 typedef R type (A1, A2, A3, A4, A5, A6);
399 typedef R result_type;
400 typedef A1 arg1_type; typedef A2 arg2_type; typedef A3 arg3_type; typedef A4 arg4_type; typedef A5 arg5_type; typedef A6 arg6_type;
401};
402
403template<class R, class A1, class A2, class A3, class A4, class A5, class A6>
404struct callback_funtype_trait<R (A1, A2, A3, A4, A5, A6)> : callback_funtype_trait6<R, A1, A2, A3, A4, A5, A6>
405{
406};
407
408template<class signature>
409struct callback_get_impl<6, signature>
410{
411 typedef callback_funtype_trait<signature> T;
412 typedef callback6<typename T::result_type, typename T::arg1_type, typename T::arg2_type, typename T::arg3_type, typename T::arg4_type, typename T::arg5_type, typename T::arg6_type> type;
413};
414
330template<class R, class A1, class A2, class A3, class A4, class A5, class A6, class A7> 415template<class R, class A1, class A2, class A3, class A4, class A5, class A6, class A7>
331class callback7 { 416class callback7
332 struct object { }; 417{
418 struct klass; // it is vital that this is never defined
333 419
334 void *obj; 420 typedef R (klass::*ptr_type)(A1, A2, A3, A4, A5, A6, A7);
421
422 klass *o;
335 R (object::*meth)(A1, A2, A3, A4, A5, A6, A7); 423 R (klass::*m)(A1, A2, A3, A4, A5, A6, A7);
336 424
337 /* a proxy is a kind of recipe on how to call a specific class method */
338 struct proxy_base {
339 virtual R call (void *obj, R (object::*meth)(A1, A2, A3, A4, A5, A6, A7), A1 a1, A2 a2, A3 a3, A4 a4, A5 a5, A6 a6, A7 a7) = 0;
340 };
341 template<class O1, class O2>
342 struct proxy : proxy_base {
343 virtual R call (void *obj, R (object::*meth)(A1, A2, A3, A4, A5, A6, A7), A1 a1, A2 a2, A3 a3, A4 a4, A5 a5, A6 a6, A7 a7)
344 {
345 return (R)((reinterpret_cast<O1 *>(obj)) ->* (reinterpret_cast<R (O2::*)(A1, A2, A3, A4, A5, A6, A7)>(meth)))
346 (a1, a2, a3, a4, a5, a6, a7);
347 }
348 };
349
350 proxy_base *prxy;
351
352public: 425public:
353 template<class O1, class O2> 426 template<class O1, class O2>
354 callback7 (O1 *object, R (O2::*method)(A1, A2, A3, A4, A5, A6, A7)) 427 explicit callback7 (O1 *object, R (O2::*method)(A1, A2, A3, A4, A5, A6, A7))
355 { 428 {
356 static proxy<O1,O2> p;
357 obj = reinterpret_cast<void *>(object); 429 o = reinterpret_cast<klass *>(object);
358 meth = reinterpret_cast<R (object::*)(A1, A2, A3, A4, A5, A6, A7)>(method); 430 m = reinterpret_cast<R (klass::*)(A1, A2, A3, A4, A5, A6, A7)>(method);
359 prxy = &p;
360 } 431 }
361 432
433 // this works because a standards-compliant C++ compiler
434 // basically can't help it: it doesn't have the knowledge
435 // required to miscompile (klass is not defined anywhere
436 // and nothing is known about the constructor arguments) :)
362 R call(A1 a1, A2 a2, A3 a3, A4 a4, A5 a5, A6 a6, A7 a7) const 437 R call(A1 a1, A2 a2, A3 a3, A4 a4, A5 a5, A6 a6, A7 a7) const
363 { 438 {
364 return prxy->call (obj, meth, a1, a2, a3, a4, a5, a6, a7); 439 return (o->*m) (a1, a2, a3, a4, a5, a6, a7);
365 } 440 }
366 441
367 R operator ()(A1 a1, A2 a2, A3 a3, A4 a4, A5 a5, A6 a6, A7 a7) const 442 R operator ()(A1 a1, A2 a2, A3 a3, A4 a4, A5 a5, A6 a6, A7 a7) const
368 { 443 {
369 return call (a1, a2, a3, a4, a5, a6, a7); 444 return call (a1, a2, a3, a4, a5, a6, a7);
370 } 445 }
446};
447
448template<class R, class A1, class A2, class A3, class A4, class A5, class A6, class A7>
449struct callback_funtype_trait7
450{
451 static const int arity = 7;
452 typedef R type (A1, A2, A3, A4, A5, A6, A7);
453 typedef R result_type;
454 typedef A1 arg1_type; typedef A2 arg2_type; typedef A3 arg3_type; typedef A4 arg4_type; typedef A5 arg5_type; typedef A6 arg6_type; typedef A7 arg7_type;
455};
456
457template<class R, class A1, class A2, class A3, class A4, class A5, class A6, class A7>
458struct callback_funtype_trait<R (A1, A2, A3, A4, A5, A6, A7)> : callback_funtype_trait7<R, A1, A2, A3, A4, A5, A6, A7>
459{
460};
461
462template<class signature>
463struct callback_get_impl<7, signature>
464{
465 typedef callback_funtype_trait<signature> T;
466 typedef callback7<typename T::result_type, typename T::arg1_type, typename T::arg2_type, typename T::arg3_type, typename T::arg4_type, typename T::arg5_type, typename T::arg6_type, typename T::arg7_type> type;
467};
468
469template<class R, class A1, class A2, class A3, class A4, class A5, class A6, class A7, class A8>
470class callback8
471{
472 struct klass; // it is vital that this is never defined
473
474 typedef R (klass::*ptr_type)(A1, A2, A3, A4, A5, A6, A7, A8);
475
476 klass *o;
477 R (klass::*m)(A1, A2, A3, A4, A5, A6, A7, A8);
478
479public:
480 template<class O1, class O2>
481 explicit callback8 (O1 *object, R (O2::*method)(A1, A2, A3, A4, A5, A6, A7, A8))
482 {
483 o = reinterpret_cast<klass *>(object);
484 m = reinterpret_cast<R (klass::*)(A1, A2, A3, A4, A5, A6, A7, A8)>(method);
485 }
486
487 // this works because a standards-compliant C++ compiler
488 // basically can't help it: it doesn't have the knowledge
489 // required to miscompile (klass is not defined anywhere
490 // and nothing is known about the constructor arguments) :)
491 R call(A1 a1, A2 a2, A3 a3, A4 a4, A5 a5, A6 a6, A7 a7, A8 a8) const
492 {
493 return (o->*m) (a1, a2, a3, a4, a5, a6, a7, a8);
494 }
495
496 R operator ()(A1 a1, A2 a2, A3 a3, A4 a4, A5 a5, A6 a6, A7 a7, A8 a8) const
497 {
498 return call (a1, a2, a3, a4, a5, a6, a7, a8);
499 }
500};
501
502template<class R, class A1, class A2, class A3, class A4, class A5, class A6, class A7, class A8>
503struct callback_funtype_trait8
504{
505 static const int arity = 8;
506 typedef R type (A1, A2, A3, A4, A5, A6, A7, A8);
507 typedef R result_type;
508 typedef A1 arg1_type; typedef A2 arg2_type; typedef A3 arg3_type; typedef A4 arg4_type; typedef A5 arg5_type; typedef A6 arg6_type; typedef A7 arg7_type; typedef A8 arg8_type;
509};
510
511template<class R, class A1, class A2, class A3, class A4, class A5, class A6, class A7, class A8>
512struct callback_funtype_trait<R (A1, A2, A3, A4, A5, A6, A7, A8)> : callback_funtype_trait8<R, A1, A2, A3, A4, A5, A6, A7, A8>
513{
514};
515
516template<class signature>
517struct callback_get_impl<8, signature>
518{
519 typedef callback_funtype_trait<signature> T;
520 typedef callback8<typename T::result_type, typename T::arg1_type, typename T::arg2_type, typename T::arg3_type, typename T::arg4_type, typename T::arg5_type, typename T::arg6_type, typename T::arg7_type, typename T::arg8_type> type;
521};
522
523template<class R, class A1, class A2, class A3, class A4, class A5, class A6, class A7, class A8, class A9>
524class callback9
525{
526 struct klass; // it is vital that this is never defined
527
528 typedef R (klass::*ptr_type)(A1, A2, A3, A4, A5, A6, A7, A8, A9);
529
530 klass *o;
531 R (klass::*m)(A1, A2, A3, A4, A5, A6, A7, A8, A9);
532
533public:
534 template<class O1, class O2>
535 explicit callback9 (O1 *object, R (O2::*method)(A1, A2, A3, A4, A5, A6, A7, A8, A9))
536 {
537 o = reinterpret_cast<klass *>(object);
538 m = reinterpret_cast<R (klass::*)(A1, A2, A3, A4, A5, A6, A7, A8, A9)>(method);
539 }
540
541 // this works because a standards-compliant C++ compiler
542 // basically can't help it: it doesn't have the knowledge
543 // required to miscompile (klass is not defined anywhere
544 // and nothing is known about the constructor arguments) :)
545 R call(A1 a1, A2 a2, A3 a3, A4 a4, A5 a5, A6 a6, A7 a7, A8 a8, A9 a9) const
546 {
547 return (o->*m) (a1, a2, a3, a4, a5, a6, a7, a8, a9);
548 }
549
550 R operator ()(A1 a1, A2 a2, A3 a3, A4 a4, A5 a5, A6 a6, A7 a7, A8 a8, A9 a9) const
551 {
552 return call (a1, a2, a3, a4, a5, a6, a7, a8, a9);
553 }
554};
555
556template<class R, class A1, class A2, class A3, class A4, class A5, class A6, class A7, class A8, class A9>
557struct callback_funtype_trait9
558{
559 static const int arity = 9;
560 typedef R type (A1, A2, A3, A4, A5, A6, A7, A8, A9);
561 typedef R result_type;
562 typedef A1 arg1_type; typedef A2 arg2_type; typedef A3 arg3_type; typedef A4 arg4_type; typedef A5 arg5_type; typedef A6 arg6_type; typedef A7 arg7_type; typedef A8 arg8_type; typedef A9 arg9_type;
563};
564
565template<class R, class A1, class A2, class A3, class A4, class A5, class A6, class A7, class A8, class A9>
566struct callback_funtype_trait<R (A1, A2, A3, A4, A5, A6, A7, A8, A9)> : callback_funtype_trait9<R, A1, A2, A3, A4, A5, A6, A7, A8, A9>
567{
568};
569
570template<class signature>
571struct callback_get_impl<9, signature>
572{
573 typedef callback_funtype_trait<signature> T;
574 typedef callback9<typename T::result_type, typename T::arg1_type, typename T::arg2_type, typename T::arg3_type, typename T::arg4_type, typename T::arg5_type, typename T::arg6_type, typename T::arg7_type, typename T::arg8_type, typename T::arg9_type> type;
575};
576
577template<class R, class A1, class A2, class A3, class A4, class A5, class A6, class A7, class A8, class A9, class A10>
578class callback10
579{
580 struct klass; // it is vital that this is never defined
581
582 typedef R (klass::*ptr_type)(A1, A2, A3, A4, A5, A6, A7, A8, A9, A10);
583
584 klass *o;
585 R (klass::*m)(A1, A2, A3, A4, A5, A6, A7, A8, A9, A10);
586
587public:
588 template<class O1, class O2>
589 explicit callback10 (O1 *object, R (O2::*method)(A1, A2, A3, A4, A5, A6, A7, A8, A9, A10))
590 {
591 o = reinterpret_cast<klass *>(object);
592 m = reinterpret_cast<R (klass::*)(A1, A2, A3, A4, A5, A6, A7, A8, A9, A10)>(method);
593 }
594
595 // this works because a standards-compliant C++ compiler
596 // basically can't help it: it doesn't have the knowledge
597 // required to miscompile (klass is not defined anywhere
598 // and nothing is known about the constructor arguments) :)
599 R call(A1 a1, A2 a2, A3 a3, A4 a4, A5 a5, A6 a6, A7 a7, A8 a8, A9 a9, A10 a10) const
600 {
601 return (o->*m) (a1, a2, a3, a4, a5, a6, a7, a8, a9, a10);
602 }
603
604 R operator ()(A1 a1, A2 a2, A3 a3, A4 a4, A5 a5, A6 a6, A7 a7, A8 a8, A9 a9, A10 a10) const
605 {
606 return call (a1, a2, a3, a4, a5, a6, a7, a8, a9, a10);
607 }
608};
609
610template<class R, class A1, class A2, class A3, class A4, class A5, class A6, class A7, class A8, class A9, class A10>
611struct callback_funtype_trait10
612{
613 static const int arity = 10;
614 typedef R type (A1, A2, A3, A4, A5, A6, A7, A8, A9, A10);
615 typedef R result_type;
616 typedef A1 arg1_type; typedef A2 arg2_type; typedef A3 arg3_type; typedef A4 arg4_type; typedef A5 arg5_type; typedef A6 arg6_type; typedef A7 arg7_type; typedef A8 arg8_type; typedef A9 arg9_type; typedef A10 arg10_type;
617};
618
619template<class R, class A1, class A2, class A3, class A4, class A5, class A6, class A7, class A8, class A9, class A10>
620struct callback_funtype_trait<R (A1, A2, A3, A4, A5, A6, A7, A8, A9, A10)> : callback_funtype_trait10<R, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10>
621{
622};
623
624template<class signature>
625struct callback_get_impl<10, signature>
626{
627 typedef callback_funtype_trait<signature> T;
628 typedef callback10<typename T::result_type, typename T::arg1_type, typename T::arg2_type, typename T::arg3_type, typename T::arg4_type, typename T::arg5_type, typename T::arg6_type, typename T::arg7_type, typename T::arg8_type, typename T::arg9_type, typename T::arg10_type> type;
629};
630
631
632template<class signature>
633struct callback : callback_get_impl<callback_funtype_trait<signature>::arity, signature>::type
634{
635 typedef typename callback_get_impl<callback_funtype_trait<signature>::arity, signature>::type base_type;
636
637 template<class O, class M>
638 explicit callback (O object, M method)
639 : base_type (object, method)
640 {
641 }
371}; 642};
372 643
373#endif 644#endif

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